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i965/gen8: fix cull distance emission for tessellation shaders.

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This fixes some cases of:
GL45-CTS.cull_distance.functional
on Skylake.

Reviewed-by: Chris Forbes <chrisforbes@google.com>
Cc: "12.0" <mesa-stable@lists.freedesktop.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
(cherry picked from commit c295923d13)
This commit is contained in:
Dave Airlie 2016-06-07 10:27:44 +10:00 • committed by Emil Velikov
parent 4306e01ece
commit 49c53a2987
1 changed files with 5 additions and 3 deletions
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8
src/mesa/drivers/dri/i965/gen8_ds_state.c
View file

@ -69,9 +69,11 @@ gen8_upload_ds_state(struct brw_context *brw)
GEN7_DS_SIMD8_DISPATCH_ENABLE : 0) |
(tes_prog_data->domain == BRW_TESS_DOMAIN_TRI ?
GEN7_DS_COMPUTE_W_COORDINATE_ENABLE : 0));
OUT_BATCH(SET_FIELD(vue_prog_data->cull_distance_mask |
ctx->Transform.ClipPlanesEnabled,
GEN8_DS_USER_CLIP_DISTANCE));
OUT_BATCH(SET_FIELD(ctx->Transform.ClipPlanesEnabled,
GEN8_DS_USER_CLIP_DISTANCE) |
SET_FIELD(vue_prog_data->cull_distance_mask,
GEN8_DS_USER_CULL_DISTANCE));
if (brw->gen >= 9) {
OUT_BATCH(0);